rest arguments in let-keywords

rest arguments in let-keywords

[Mario Storti]

I want to use let-keywords, however it bothers to me the fact that the
rest arguments keeps the keyword arguments, so that I have to write
code to eliminate them. I read that this is for comptability with
Common Lisp. Is there an easy way to get the rest arguments _without_
the keyword arguments?

TIA, Mario

-------------------------
Mario Alberto Storti
Centro Internacional de Metodos Computacionales
  en Ingenieria - CIMEC (INTEC/CONICET-UNL)
INTEC, Guemes 3450 - 3000 Santa Fe, Argentina
Tel/Fax: +54-342-4511594, cel: +54-342-156144983
e-mail: mstorti@intec.unl.edu.ar
http://www.cimec.org.ar/mstorti, http://www.cimec.org.ar
-------------------------

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Re: rest arguments in let-keywords

[Clinton Ebadi]

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On Tue, 2005-05-17 at 21:07 -0500, Mario Storti wrote:
> I want to use let-keywords, however it bothers to me the fact that the
> rest arguments keeps the keyword arguments, so that I have to write
> code to eliminate them. I read that this is for comptability with
> Common Lisp. Is there an easy way to get the rest arguments _without_
> the keyword arguments?
> 
> TIA, Mario
> 

Nope.
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Re: rest arguments in let-keywords

[Thien-Thi Nguyen]

   On Tue, 2005-05-17 at 21:07 -0500, Mario Storti wrote:

   > Is there an easy way to get the rest arguments _without_
   > the keyword arguments?

i use `remove-keys', appended.  munge to taste.

thi

______________________________________________________________________
;;; ttn/optargs-kw-utils.scm --- make using (ice-9 optargs-kw) easier

;; Rel:v-0-41-pianto-due-ore
;;
;; Copyright (C) 2003-2005 Thien-Thi Nguyen
;; This file is part of ttn's personal scheme library, released under GNU
;; GPL with ABSOLUTELY NO WARRANTY.  See the file COPYING for details.

;;; Commentary:

;; This module exports:
;;  (remove-keys ls)

;;; Code:

(define-module (ttn optargs-kw-utils)
  #:export (remove-keys))

(define (remove-keys ls)
  (let loop ((ls ls) (acc '()))
    (if (null? ls)
        (reverse! acc)
        (let ((kw? (keyword? (car ls))))
          (loop ((if kw? cddr cdr) ls)
                (if kw? acc (cons (car ls) acc)))))))

;;; ttn/optargs-kw-utils.scm ends here


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Re: rest arguments in let-keywords

[Mario Storti]

>>>>> On Thu, 19 May 2005 02:31:17 -0400, 
>>>>>      Thien-Thi Nguyen <ttn@glug.org> said:

>    On Tue, 2005-05-17 at 21:07 -0500, Mario Storti wrote:

>> Is there an easy way to get the rest arguments _without_
>> the keyword arguments?

> i use `remove-keys', appended.  munge to taste.

> thi

Thanks a lot... (In the meanwhile I wrote also a little procedure.) I
was just a little bit surprised that there is not a standard macro or
function for doing that.

Regards, Mario

-- 
-------------------------
Mario Alberto Storti     [cel. +54-342-156144983]
CIMEC (INTEC/CONICET-UNL), Guemes 3450 - 3000 Santa Fe, Argentina
Tel/Fax: +54-342-4511169 (ext 1015)
e-mail: mstorti at intec dot unl dot edu dot ar
http://www.cimec.org.ar/mstorti
-------------------------


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